/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the terms found in the LICENSE file in the root of this source tree.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

#include <stdint.h>

#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "ServiceReject.h"

int decode_service_reject(
    service_reject_msg* service_reject, uint8_t* buffer, uint32_t len) {
  uint32_t decoded   = 0;
  int decoded_result = 0;

  // Check if we got a NULL pointer and if buffer length is >= minimum length
  // expected for the message.
  CHECK_PDU_POINTER_AND_LENGTH_DECODER(
      buffer, SERVICE_REJECT_MINIMUM_LENGTH, len);

  /*
   * Decoding mandatory fields
   */
  if ((decoded_result = decode_emm_cause(
           &service_reject->emmcause, 0, buffer + decoded, len - decoded)) < 0)
    return decoded_result;
  else
    decoded += decoded_result;

  return decoded;
}

int encode_service_reject(
    service_reject_msg* service_reject, uint8_t* buffer, uint32_t len) {
  int encoded       = 0;
  int encode_result = 0;

  /*
   * Checking IEI and pointer
   */
  CHECK_PDU_POINTER_AND_LENGTH_ENCODER(
      buffer, SERVICE_REJECT_MINIMUM_LENGTH, len);

  if ((encode_result = encode_emm_cause(
           &service_reject->emmcause, 0, buffer + encoded, len - encoded)) <
      0) {  // Return in case of error
    return encode_result;
  } else {
    encoded += encode_result;
  }
  /* Just wait a litle bit for CS...
  if ((encode_result = encode_gprs_timer_ie (&service_reject->t3442value, 0,
  buffer + encoded, len - encoded)) < 0) {       //Return in case of error
    OAILOG_FUNC_RETURN (LOG_NAS_EMM, encode_result);
  } else {
    encoded += encode_result;
  }*/

  return encoded;
}
